42310872 has 96 divisors (see below), whose sum is σ = 122007600. Its totient is φ = 13208832.

The previous prime is 42310871. The next prime is 42310883. The reversal of 42310872 is 27801324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42310871) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 214678 + ... + 214874.

Almost surely, 2^42310872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42310872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61003800).

42310872 is an abundant number, since it is smaller than the sum of its proper divisors (79696728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42310872 is a wasteful number, since it uses less digits than its factorization.

42310872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385 (or 378 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 42310872 is about 6504.6807761796. The cubic root of 42310872 is about 348.4581757336.

The spelling of 42310872 in words is "forty-two million, three hundred ten thousand, eight hundred seventy-two".